* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

a {
    text-decoration: none;
    color: #1271ef;
}

ul {
    list-style: none;
}

.fl {
    float: left;
}

.fr {
    float: right;
}

.clearfix::after {
    content: "";
    display: block;
    clear: both;
}

h1,
h2,
h3 {
    font-weight: normal;
}

/* 版心样式 */
.banxin {
    width: 1200px;
    margin: 0 auto;
}

/* 公告头部样式 */
header {
    top: 0;
    position: absolute;
    width: 100%;
    z-index: 999;
    height: 60px;
    border-bottom: 1px solid #aec7ec;
}

header .logo {
    margin-left: 40px;
    width: 230px;
    height: 30px;
    position: absolute;
    top: 14px;
    left: 1%;
    background: url(../images/new-logo-white.png);
}

header .nav {
    color: #fff;
    height: 60px;
    line-height: 60px;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

header .nav li {
    margin: 0 20px;
}

.nav-item {
    font-size: 15px;
    cursor: pointer;
    margin: 0 18px;
}

.nav-item.active {
    height: 60px;
    font-size: 19px;
    box-sizing: border-box;
    border-bottom: 2px solid #fff;
}

/* 登录注册 */
.login-register {
    margin-right: 40px;
    position: absolute;
    top: 20px;
    right: 1%;
}

.login-register .login {
    width: 52px;
    height: 22px;
    border: 1px solid #ccc;
    border-radius: 12px;
    color: #fff;
    background-color: transparent;
    margin-right: 5px;
    cursor: pointer;
}

.login-register .register {
    width: 80px;
    height: 22px;
    border: none;
    background-color: #fd510a;
    color: #fff;
    border-radius: 11px;
    cursor: pointer;
}

/* 公共底部样式 */
footer {
    height: 300px;
}

footer dl {
    float: left;
    margin: 0 82px 40px 0;
}

footer dl dt {
    margin-bottom: 34px;
    font-size: 16;
}

footer dl dd {
    height: 28px;
    line-height: 28px;
    font-size: 12px;
    color: #aaa;
}

footer .QR-code {
    text-align: right;
}

footer .contact p {
    margin: 8px 0 24px;
    color: #ccc;
    font-size: 13px;
}

.copy {
    font-size: 14px;
    color: #ccc;
    height: 46px;
    line-height: 46px;
}

.copy img {
    position: relative;
    top: 3px;
    margin-right: 4px;
}

.return {
    border-radius: 21px;
    width: 42px;
    height: 42px;
    position: fixed;
    bottom: 20px;
    right: 134px;
    display: none;
    background: url("../images/returntopicon.jpg") no-repeat -162px -54px;
}

/* 粒子效果 */
canvas {
    position: relative !important;
    background-color: #f1f1f1;
    z-index: 0 !important;
}

.banner-mask {
    position: absolute;
    width: 100%;
    height: 360px;
    top: 0px;
    background-color: rgba(0, 0, 0, 0.88);
}

.banner-mask .top-title {
    font-size: 36px;
    color: #fff;
    line-height: 54px;
    padding-top: 142px;
}

.banner-mask .top-des {
    font-size: 14px;
    color: #fff;
    line-height: 34px;
}

.banner-mask .top-case {
    font-size: 16px;
    color: #fff;
    line-height: 26px;
}

input:focus {
    outline: none;
}